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What is Memory-Management Unit (MMU)?
->Hardware device that maps virtual to physical address.In MMU scheme, the value in the relocation register is added to every address generated by a user process at the time it is sent to memory.->The user program deals with logical addresses; it never sees the real physical addresses.
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Define Demand Paging, Page fault interrupt, and Trashing?
Demand Paging: Demand paging is the paging policy that a page is not read into memory until it is requested, that is, until there is a page fault on the page. Page fault interrupt: A page fault interrupt occurs when a memory reference is made to a page that is not in memory.The present bit in the page table entry will be found to be off by the virtual memory hardware and it will signal an interrupt. Trashing:...
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Root Directory
The root directory of disk should be placed 1. at a fixed address in main memory 2. at a fixed location on disk 3. anywhere on the disk 4. at a fixed location on the system disk
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List of CPU Scheduling algorithms implemented in Windows Operating System
Hi As we all Know that the OS use various CPU Scheduling algorithm's. I would like to know what Algorithms are used in various OS(Specially in Windows OS) and the purpose.Thank You Julie
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How does virus affects computer ?
Explain about Unix and Windows Virus details
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Assembler, Loader, Linker
What is the logic of the conversion of a source code of a program into its object code? What has the loader and linker's function after that?
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Restricting the use of the network connection icon on the Windows XP task bar.
We have a workstation with Windows XP. We want to be very limited/restrictive in it use. Is there a way to lock the user from right-clicking on the network connection icon and opening it?
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Multi-Tasking Multi-Processing
What are the differences between multiprocessing and multitasking systems? Give Examples for both?
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Domain Security Settings and Domain Controller Security Settings
What is difference between the domain security settings and domain controller security settings in windows server 2003 standard edition?
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Physical Port and Logical Port
What is Physical Port and Logical Port in Windows XP terminology?
Windows Interview Questions
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